chapter 6 metabolism Flashcards
aerobic respiration:
C6H12O6+6O2——> 6CO2+6H2O+energy
photosynthesis:
6CO2+6H2O+energy ——> C6H12O6+6O2
most life forms get their energy from the ____
sun
metabolism is the total of all ______ ______ carried out by an organism
anabolism is the ______ energy to build up molecules
catabolism ______ energy by breaking down molecules
chemical reactions
expended
harvest
reactions occur in a _______
____ of one reaction is the _____ for the next
sequence
product, substrate
energy is the _____ to do work
capacity
the two states of energy are _______ and ________
kinetic, potential
🔺G =
change in free energy/ 🔺H-TS
if change in free energy is positive, ______ have more free energy than _______.
H is ____ or S is _____.
not spontaneous, required _____ of energy.
endergonic
products, reactants
higher, lower
input
if free energy is negative, products have ______ free energy than reactants.
H is _____ or S is ______ or both.
spontaneous and exergonic.
less
lower, higher
____ reactions release energy and ______ reaction require energy to proceed
exergonic, endergonic
FIRST LAW OF THERMODYNAMICS
energy can’t be…
can only change from…
total amount of energy in the universe remains…
during each conversion, some energy is lost to…
created or destroyed
one form to another
constant
heat
2ND LAW OF THERMODYNAMICS
entropy is continuously ________
energy transmissions proceed spontaneously to confer matter from a…
entropy is a measure of ______ in a system
_____ have higher entropy than _____, which have higher entropy than ______.
increasing
more ordered/less stable form to a less ordered/more stable form.
randomness/disorder
gasses,liquid, solid
ATP stands for…
chief _____ all cells use
composed of ______ (5 carbon sugar), chain of 3 _______, and _____.
key to ______ storage
bonds are _____
ADP have __ phosphates
AMP has __ phosphate, and it is the ____ energy form.
adenosine triphosphate currency ribose, phosphates, adenine energy unstable 2 1, lowest
ATP _______ drives endergonic reactions
not suitable for ______ _____ energy storage
hydrolysis
long term